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G4HelixSimpleRunge.hh
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//
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// ********************************************************************
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// * License and Disclaimer *
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// * The Geant4 software is copyright of the Copyright Holders of *
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// * the Geant4 Collaboration. It is provided under the terms and *
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// * LICENSE and available at http://cern.ch/geant4/license . These *
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// * include a list of copyright holders. *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// ********************************************************************
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//
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//
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// $Id: G4HelixSimpleRunge.hh 66356 2012-12-18 09:02:32Z gcosmo $
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//
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//
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// class G4HelixSimpleRunge
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//
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// Class description:
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//
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// Helix Simple Runge-Kutta stepper for magnetic field:
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// x_1 = x_0 + h * ( dx( t_0+h/2, x_0 + h/2 * dx( t_0, x_0) ) )
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//
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// Second order solver.
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// Take the derivative at a position to be assumed at the middle of the
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// Step and add it to the current position.
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// W. Wander <wwc@mit.edu> 03/12/98
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// -------------------------------------------------------------------
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#ifndef G4HELIXSIMPLERUNGE_HH
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#define G4HELIXSIMPLERUNGE_HH
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#include "
G4MagHelicalStepper.hh
"
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class
G4HelixSimpleRunge
:
public
G4MagHelicalStepper
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{
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public
:
// with description
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G4HelixSimpleRunge
(
G4Mag_EqRhs
*EqRhs)
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:
G4MagHelicalStepper
(EqRhs){}
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~G4HelixSimpleRunge
(){}
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void
DumbStepper
(
const
G4double
y[],
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G4ThreeVector
Bfld,
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G4double
h,
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G4double
yout[]);
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public
:
// without description
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G4int
IntegratorOrder
()
const
{
return
2; }
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};
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#endif
/* G4HELIXSIMPLERUNGE_HH */
G4ThreeVector
CLHEP::Hep3Vector G4ThreeVector
Definition:
G4ThreeVector.hh:42
G4int
int G4int
Definition:
G4Types.hh:78
G4HelixSimpleRunge
Definition:
G4HelixSimpleRunge.hh:48
G4HelixSimpleRunge::IntegratorOrder
G4int IntegratorOrder() const
Definition:
G4HelixSimpleRunge.hh:64
G4HelixSimpleRunge::DumbStepper
void DumbStepper(const G4double y[], G4ThreeVector Bfld, G4double h, G4double yout[])
Definition:
G4HelixSimpleRunge.cc:44
G4MagHelicalStepper.hh
G4HelixSimpleRunge::~G4HelixSimpleRunge
~G4HelixSimpleRunge()
Definition:
G4HelixSimpleRunge.hh:55
G4MagHelicalStepper
Definition:
G4MagHelicalStepper.hh:58
G4HelixSimpleRunge::G4HelixSimpleRunge
G4HelixSimpleRunge(G4Mag_EqRhs *EqRhs)
Definition:
G4HelixSimpleRunge.hh:52
G4Mag_EqRhs
Definition:
G4Mag_EqRhs.hh:49
G4double
double G4double
Definition:
G4Types.hh:76
geant4.10.02.p01
source
geometry
magneticfield
include
G4HelixSimpleRunge.hh
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